词汇；根据算式, 用英语写出正确答案。
1.two + = five
2.one + six =
3.nine - = four
4. - three = zero
5.two × four =
词汇；根据算式, 用英语写出正确答案。
1.two + = five
2.one + six =
3.nine - = four
4. - three = zero
5.two × four =
1.three 2.seven 3.five 4.three 5.eight